Observations of protoplanetary disk structures

SM Andrews - Annual Review of Astronomy and Astrophysics, 2020 - annualreviews.org
The disks that orbit young stars are the essential conduits and reservoirs of material for star
and planet formation. Their structures, meaning the spatial variations of the disk physical …

The role of magnetic fields in the formation of protostellar discs

J Wurster, ZY Li - Frontiers in Astronomy and Space Sciences, 2018 - frontiersin.org
The formation of a protostellar disc is a natural outcome during the star formation process.
As gas in a molecular cloud core collapses under self-gravity, the angular momentum of the …

Dust enrichment and grain growth in a smooth disk around the DG Tau protostar revealed by ALMA triple bands frequency observations

S Ohashi, M Momose, A Kataoka… - The Astrophysical …, 2023 - iopscience.iop.org
Characterizing the physical properties of dust grains in a protoplanetary disk is critical to
comprehending the planet formation process. Our study presents Atacama Large Millimeter …

ALMA observations of polarized emission toward the CW Tau and DG Tau protoplanetary disks: constraints on dust grain growth and settling

F Bacciotti, JM Girart, M Padovani… - The Astrophysical …, 2018 - iopscience.iop.org
We present polarimetric data of CW Tau and DG Tau, two well-known Class II disk/jet
systems, obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) at 870 μm …

ALMA reveals transition of polarization pattern with wavelength in HL Tau's disk

IW Stephens, H Yang, ZY Li, LW Looney… - The Astrophysical …, 2017 - iopscience.iop.org
The mechanism for producing polarized emission from protostellar disks at (sub) millimeter
wavelengths is currently uncertain. Classically, polarization is expected from non-spherical …

Porous Dust Particles in Protoplanetary Disks: Application to the HL Tau Disk

S Zhang, Z Zhu, T Ueda, A Kataoka… - The Astrophysical …, 2023 - iopscience.iop.org
Dust particle sizes constrained from dust continuum and polarization observations by radio
interferometry are inconsistent by at least an order of magnitude. Motivated by porous dust …

Dust polarization toward embedded protostars in Ophiuchus with ALMA. III. Survey overview

SI Sadavoy, IW Stephens, PC Myers… - The Astrophysical …, 2019 - iopscience.iop.org
Abstract We present 0 farcs 25 resolution (35 au) ALMA 1.3 mm dust polarization
observations for 37 young stellar objects (YSOs) in the Ophiuchus molecular cloud. These …

Submillimetre dust polarization and opacity in the HD163296 protoplanetary ring system

WRF Dent, C Pinte, PC Cortes, F Ménard… - Monthly Notices of …, 2019 - academic.oup.com
We present ALMA images of the sub-mm continuum polarization and spectral index of the
protoplanetary ringed disc HD163296. The polarization fraction at 870 µm is measured to …

The VLA Nascent Disk and Multiplicity survey of Perseus protostars (VANDAM). V. 18 candidate disks around Class 0 and I protostars in the Perseus molecular cloud

DM Segura-Cox, LW Looney, JJ Tobin… - The Astrophysical …, 2018 - iopscience.iop.org
We present the full disk-fit results VANDAM survey of all Class 0 and I protostars in the
Perseus molecular cloud. We have 18 new protostellar disk candidates around Class 0 and I …

ALMA observations of polarization from dust scattering in the IM Lup protoplanetary disk

CLH Hull, H Yang, ZY Li, A Kataoka… - The Astrophysical …, 2018 - iopscience.iop.org
We present 870 μm ALMA observations of polarized dust emission toward the Class II
protoplanetary disk IM Lup. We find that the orientation of the polarized emission is along the …